// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.

namespace System.Data.Common
{
    public abstract class DbColumn
    {
        public bool? AllowDBNull { get; protected set; }
        public string? BaseCatalogName { get; protected set; }
        public string? BaseColumnName { get; protected set; }
        public string? BaseSchemaName { get; protected set; }
        public string? BaseServerName { get; protected set; }
        public string? BaseTableName { get; protected set; }
        public string ColumnName { get; protected set; } = "";
        public int? ColumnOrdinal { get; protected set; }
        public int? ColumnSize { get; protected set; }
        public bool? IsAliased { get; protected set; }
        public bool? IsAutoIncrement { get; protected set; }
        public bool? IsExpression { get; protected set; }
        public bool? IsHidden { get; protected set; }
        public bool? IsIdentity { get; protected set; }
        public bool? IsKey { get; protected set; }
        public bool? IsLong { get; protected set; }
        public bool? IsReadOnly { get; protected set; }
        public bool? IsUnique { get; protected set; }
        public int? NumericPrecision { get; protected set; }
        public int? NumericScale { get; protected set; }
        public string? UdtAssemblyQualifiedName { get; protected set; }
        public Type? DataType { get; protected set; }
        public string? DataTypeName { get; protected set; }
        public virtual object? this[string property] =>
            property switch
            {
                nameof(AllowDBNull) => AllowDBNull,
                nameof(BaseCatalogName) => BaseCatalogName,
                nameof(BaseColumnName) => BaseColumnName,
                nameof(BaseSchemaName) => BaseSchemaName,
                nameof(BaseServerName) => BaseServerName,
                nameof(BaseTableName) => BaseTableName,
                nameof(ColumnName) => ColumnName,
                nameof(ColumnOrdinal) => ColumnOrdinal,
                nameof(ColumnSize) => ColumnSize,
                nameof(IsAliased) => IsAliased,
                nameof(IsAutoIncrement) => IsAutoIncrement,
                nameof(IsExpression) => IsExpression,
                nameof(IsHidden) => IsHidden,
                nameof(IsIdentity) => IsIdentity,
                nameof(IsKey) => IsKey,
                nameof(IsLong) => IsLong,
                nameof(IsReadOnly) => IsReadOnly,
                nameof(IsUnique) => IsUnique,
                nameof(NumericPrecision) => NumericPrecision,
                nameof(NumericScale) => NumericScale,
                nameof(UdtAssemblyQualifiedName) => UdtAssemblyQualifiedName,
                nameof(DataType) => DataType,
                nameof(DataTypeName) => DataTypeName,
                _ => null,
            };
    }
}